Home / 1,194,284.81-1,648,159.67-678,086.73

Finding the Fourth Proportional to 1,194,284.81, 1,648,159.67 and 678,086.73

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Solution

The fourth proportional to 1,194,284.81, 1,648,159.67 and 678,086.73 is: 935,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,194,284.81 : 1,648,159.67 = 678,086.73 : x
  2. Step 2: Convert to fraction form
    1,194,284.81/1,648,159.67 = 678,086.73/x
  3. Step 3: Cross multiply
    1,194,284.81x = 1,648,159.67 × 678,086.73
  4. Step 4: Simplify right side
    1,194,284.81x = 1,117,595,202,843.40
  5. Step 5: Solve for x
    x = 1,117,595,202,843.40/1,194,284.81
  6. Step 6: Final answer
    x = 935,786.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.